1 - Section 1.1 Write the interval of real numbers in interval notation and graph it. See Example 5. 50. The set of real numbers less than or equal to -4 Consider the following nine integers: -4‚ -3‚ -2‚ -1‚ 0‚ 1‚ 2‚ 3‚ 4 94. Which of these integers has an absolute value greater than 1? Solution: -4‚ -3‚ -2‚ 2‚ 3‚ 4 Write the interval notation for the interval of real numbers shown in the graph. __________________ -50 -40 -30 -20 -10 0
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16/1/2015 Coursera Feedback — Graded Quiz #1 (Symmetry 3 Part I) Help Thank you. Your submission for this quiz was received. You submitted this quiz on Thu 15 Jan 2015 6:44 PM PST. You got a score of 9.00 out of 10.00. You can attempt again‚ if you’d like. Question 1 Louis Braille developed his embossed dots for the visually impaired in 1824 when he was only 15 years old. The Braille cell is a 2 x 3 point block onto which raised dots are placed. The figure shows the grid (small black do
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QUIZ 1. She hid candles in her shoes so she could study math at night. Sonya Kovalevsky 2. He was a Greek mathematician whose school got burned down. Pythagorus 3. He was a Greek mathematician known for shouting “Eureka!” in his bathtub. Archimedes 4. Her bedroom wall was covered with calculus notes. Sonya Kovalevsky 5. This German mathematician was a smart child who went to college at age 14. Johann Carl Gauss 6. He was an English mathematician who was born on Christmas Day. Isaac Newton 7. He dropped
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be one compulsory question consisting of 6 parts of short answer type question based on the whole course‚ out of which 5 parts will have to be answered. Besides‚ there will be 6 questions‚ ordinarily consisting of two parts (a) and (b)‚ out of which 4 questions will have to be answered. Thus in all 5 questions will have to be attempted and 7 questions will have to be set. All questions will carry equal marks‚ except where stated otherwise. First Semester Compulsory Papers Paper I : Groups
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Fall 2013 Bldg 2 Room 247 MATH 111 SYLLABUS College Algebra TIME: Mon‚ Wed 12:00 – 2:20 PM Office: CRN#44230 CREDITS: 5 INSTRUCTOR: Jerry Kissick OFFICE HOURS: Mon‚ Wed COURSE TEXT: College Algebra and Trigonometry‚ Custom Edition for Portland Community College‚ Sullivan and Sullivan PREREQUISITES: MATH 95 completed with a C or better and placement into WR 121. 11:30 – 12:00 PM 2:30 – 3:00 PM 3:00 – 4:00 PM 5:30 – 6:00 PM Bldg 2 Room 244C Phone
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| 1st differences | 2nd differences | 1 | 1 | 2 | 1 | 2 | 3 | | | | | 3 | | 3 | 6 | | 1 | | | 4 | | 4 | 10 | | 1 | | | 5 | | 5 | 15 | | | Thus with the help of the figure above it is evident to say that the difference between the numerator in row 1 and row 2 is 2‚ row 2 and row 3 is 3‚ row 3 and 4 is 4 and row 4 and 5 is 5. The second difference for each row number is 1 showing that the equation for the numerator is a quadratic sequence. In
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P40119A ©2011 Edexcel Limited. 6/6/6/4 *P40119A0116* GCSE Mathematics 2MB01 Formulae – Higher Tier You must not write on this formulae page. Anything you write on this formulae page will gain NO credit. Volume of prism = area of cross section × length 1 Area of trapezium = 2 (a + b)h a cross section h h lengt b Volume of cone = 1 r2h 3 Curved surface area of cone = rl Volume of sphere = 4 r3 3 Surface area of sphere = 4 r2 r l h r In any triangle
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paper is 1212 cm long and 1023 cm wide. Find its perimeter. 3. Salil wants to put a picture in a frame. The picture is 735 cm wide. To fit in the frame the picture cannot be more than 7310 cm wide. How much the picture should be trimmed? 4. Find the perimeters of (i) ABE (ii) the rectangle BCDE in the figure below. Whose perimeter is greater? 5. In a class of 40 students 15 of the total number of students like to study English‚ 25 of the total number like to study mathematics
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| Multiple Choice Quiz (See related pages) Results ReporterOut of 9 questions‚ you answered 2 correctly‚ for a final grade of 22%. 2 correct (22%) | | 6 incorrect (67%) | | 1 unanswered (11%) | | Your Results: | The correct answer for each question is indicated by a . | | | | 1 | CORRECT | | ___________ means doing the right things to create the most benefit for the company. | | | | | A) | Efficiency | | | | | | B) | Effectiveness | | | |
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= E(X2) – [E(X)] 2 5=E(X2)-1 E(X2) = 6 a) E[(2+X) 2] = E(4+4X+ X2) = 4 + 4 E(X) + E(X2) = 4+4+6 = 14 b) Var (4+3X) = E [(4+3X) 2] – [E(4+3X)] 2 = E (16+6X+9 X2) – [4+3E(X) ] 2 = 16+6 E(X)+9 E(X2) – 16 - 24 E(X) - 9 [E(X) ] 2 = 16 + 6 +9(6) -16 -24 -9 = 27 4. C (2‚0‚-3‚5‚10) v(0‚1)=1.25 v(1‚2)=1.25 ; v(2‚1) = 1/1.25 = 0
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